Re: permit application/storage bldg

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• . . • ATTACHMENT B � �� STORMWATER FACILITY MAINTENANCE These terms apply to the stormwater facilities constructed pursuant to Minnehaha Creek Watershed District permit application number WHEREAS,Hennepin County has applied for a permit from the MCWD pursuant to MCWD Rule B, Stormwater Management; and WHEREAS,the property that is the subject of this agreement is legally described in the Declaration into which tlus Attachment is incorporated and the facilities on the property to which these maintenance requirements apply aze as follows: WHEREAS,MCWD Rule B provides, "A maintenance agreement shall be submitted for: stormwater treatment ponds, outlet structures for such ponds, culverts, outfall structures and a11 other stormwater facilities. This maintenance agreement shall specify methods, schedule and responsible parties for maintenance and must include at a minimum,the elements contained in the District's Maintenance Agreement Form. NOW,THEREFORE: 1. Hennepin County shall inspect the stormwater retention and treatment basin(s) at a minimuxn of once a year to determine if the basin's retention and treatment characteristics are adequate. A storage treatment basin will be considered inadequate if sediment has decreased the wet storage volume by %Z of its original design volume. Based on this inspection, if the stormwater basin(s) is identified for sediment cleanout, Hennepin County sha11 restore the basin(s)to its original design contours within one year of the inspection date. 2. Hennepin County shall inspect the grit chambers, sump catch basins, sump manholes,outlet structures, culverts,outfall structures or other stormwater facilities for the project in the spring and fall of each year. Hennepin County shall remove a11 sediment and debris during the inspections such that the stormwater facilities operate as designed and permitted. 3. This Declazation and agreement shall be in full force and effect upon the date of execution for a seven year period. ' 4. Violation of the inspection and/or maintenance provisions of this Agreement is a violation of the MCWD permit for the project for which the MCWD may take action against Hennepin County. ' Hennepin County agrees that it will be responsible for its own acts and the results thereof,to the extend authorized by the law, and shall not be responsible for the acts of the other party and the results thereof. The County's liability is governed by the provisions of Minnesota Statutes, Chapter 466.